DE69204483D1 - Fiber amplifier with gain stabilization. - Google Patents

Fiber amplifier with gain stabilization.

Info

Publication number
DE69204483D1
DE69204483D1 DE69204483T DE69204483T DE69204483D1 DE 69204483 D1 DE69204483 D1 DE 69204483D1 DE 69204483 T DE69204483 T DE 69204483T DE 69204483 T DE69204483 T DE 69204483T DE 69204483 D1 DE69204483 D1 DE 69204483D1
Authority
DE
Germany
Prior art keywords
fiber amplifier
gain stabilization
stabilization
gain
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69204483T
Other languages
German (de)
Other versions
DE69204483T2 (en
Inventor
Martin Zirngibl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of DE69204483D1 publication Critical patent/DE69204483D1/en
Application granted granted Critical
Publication of DE69204483T2 publication Critical patent/DE69204483T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/1302—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by all-optical means, e.g. gain-clamping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
DE69204483T 1991-01-31 1992-01-22 Fiber amplifier with gain stabilization. Expired - Lifetime DE69204483T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/648,713 US5088095A (en) 1991-01-31 1991-01-31 Gain stabilized fiber amplifier

Publications (2)

Publication Number Publication Date
DE69204483D1 true DE69204483D1 (en) 1995-10-12
DE69204483T2 DE69204483T2 (en) 1996-02-22

Family

ID=24601926

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69204483T Expired - Lifetime DE69204483T2 (en) 1991-01-31 1992-01-22 Fiber amplifier with gain stabilization.

Country Status (5)

Country Link
US (1) US5088095A (en)
EP (1) EP0497491B1 (en)
JP (1) JPH07117670B2 (en)
CA (1) CA2056642C (en)
DE (1) DE69204483T2 (en)

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FR2680929B1 (en) * 1991-08-30 1994-09-30 Alsthom Cge Alcatel FREQUENCY SEPARATOR-MIXER DEVICE FOR GUIDED OPTICAL WAVES.
US5173957A (en) * 1991-09-12 1992-12-22 At&T Bell Laboratories Pump redundancy for optical amplifiers
US5185826A (en) * 1992-02-07 1993-02-09 At&T Bell Laboratories Hybrid pumping arrangement for doped fiber amplifiers
DE4208857A1 (en) * 1992-03-19 1993-09-23 Sel Alcatel Ag OPTICAL MESSAGE TRANSMISSION SYSTEM WITH FIBER OPTICAL AMPLIFIERS AND REGULATION OF THE TRANSMITTER WAVELENGTH
US5223705A (en) * 1992-08-12 1993-06-29 At&T Bell Laboratories Measurement of an optical amplifier parameter with polarization
US5340979A (en) * 1992-09-25 1994-08-23 Hewlett-Packard Company Technique for determining the amplified spontaneous emission noise of an optical circuit in the presence of an optical signal
JP3012760B2 (en) * 1993-10-25 2000-02-28 三菱電機株式会社 Optical amplifier, distribution system, local area network, and gain control method
US5537243A (en) * 1993-12-17 1996-07-16 At&T Corp. All-optical flip-flop
US5434701A (en) * 1993-12-17 1995-07-18 At&T Corp. All-optical inverter
US5991068A (en) * 1994-02-18 1999-11-23 British Telecommunications Public Limited Company Gain controlled optical fibre amplifier
JPH07240551A (en) * 1994-03-02 1995-09-12 Fujitsu Ltd Prevention system of surge light generation in optical amplification and transmission apparatus
IT1273676B (en) 1994-07-25 1997-07-09 Pirelli Cavi Spa MULTIPLATION AMPLIFIED TELECOMMUNICATION SYSTEM WITH WAVELENGTH DIVISION, WITH EQUALIZED RECEPTION POWER
US6064514A (en) * 1995-10-30 2000-05-16 Nec Corporation Optical surge preventing method and system for use with or in a rare earth doped fiber circuit
JP3739453B2 (en) * 1995-11-29 2006-01-25 富士通株式会社 Optical amplifier and optical communication system provided with the optical amplifier
US6175436B1 (en) * 1996-07-30 2001-01-16 Tellium, Inc. Automatic feedback gain control for multiple channels in a doped optical fiber amplifier
GB9618706D0 (en) * 1996-09-06 1996-10-16 Northern Telecom Ltd Optical element power control
US6031647A (en) * 1996-10-23 2000-02-29 Nortel Networks Corporation Stable power control for optical transmission systems
US5861981A (en) * 1997-08-20 1999-01-19 Ditech Corporation Optical amplifier having dynamically shaped gain
DE19740743C1 (en) * 1997-09-16 1999-01-21 Siemens Ag Optical amplifier with gain control
US6483629B1 (en) 1997-12-23 2002-11-19 Corning O.T.I., Inc. Optical window signal generator
KR100269177B1 (en) * 1998-08-04 2000-10-16 윤종용 Long wavelength fiber optic amplifier
US6545799B1 (en) 1998-09-02 2003-04-08 Corning Incorporated Method and apparatus for optical system link control
US6421170B1 (en) * 1998-09-18 2002-07-16 Corning Incorporated Gain control and shaping of EDFAs via dual cavity gain control
US6563614B1 (en) 1999-05-21 2003-05-13 Corvis Corporation Optical transmission system and amplifier control apparatuses and methods
US6347008B1 (en) * 1999-06-14 2002-02-12 Tellium, Inc. Optical amplifier system and optical network having flattened gain and constant per channel output power
KR100350482B1 (en) 1999-07-22 2002-08-28 삼성전자 주식회사 Method for managementing fault in atm ran
KR100334778B1 (en) * 1999-07-22 2002-05-02 윤종용 Long band fiber amplifier using feedback loop
US6366393B1 (en) 1999-08-25 2002-04-02 Lucent Technologies Inc. Fast gain control for optical amplifiers
DE10009380B4 (en) * 2000-02-29 2007-11-08 Jenoptik Ldt Gmbh fiber amplifier
US6552844B2 (en) 2001-06-01 2003-04-22 Agere Systems Guardian Corp. Passively output flattened optical amplifier
US6944399B2 (en) * 2001-08-28 2005-09-13 Dorsal Networks, Inc. Methods of signal substitution for maintenance of amplifier saturation
US6907195B2 (en) * 2001-08-28 2005-06-14 Dorsal Networks, Inc. Terminals having sub-band substitute signal control in optical communication systems
US7042634B2 (en) 2002-03-14 2006-05-09 Nippon Telegraph And Telephone Corporation Optical amplifier
US6943939B1 (en) * 2002-03-19 2005-09-13 Finisar Corporation Optical amplifier with damped relaxation oscillation
US6690508B2 (en) 2002-03-26 2004-02-10 Fujitsu Network Communications, Inc. Control system and method for an optical amplifier
US6711187B2 (en) 2002-04-22 2004-03-23 Evans & Sutherland Computer Corporation Rapidly oscillating laser light source
ITMI20030050A1 (en) * 2003-01-15 2004-07-16 Marconi Comm Ltd OPTIC AMPLIFIED RING TRANSMISSION SYSTEM
DE10360607B4 (en) * 2003-12-22 2006-02-23 Siemens Ag Method and arrangement for inserting fill signals
EP1876737A1 (en) * 2006-07-06 2008-01-09 Alcatel Lucent A controlled optical amplifier device and its corresponding feed back control method
WO2008073449A2 (en) 2006-12-12 2008-06-19 Evans & Sutherland Computer Corporation System and method for aligning rgb light in a single modulator projector
US7876498B1 (en) 2007-03-23 2011-01-25 Lockheed Martin Corporation Pulse-energy-stabilization approach and first-pulse-suppression method using fiber amplifier
US8358317B2 (en) 2008-05-23 2013-01-22 Evans & Sutherland Computer Corporation System and method for displaying a planar image on a curved surface
US8702248B1 (en) 2008-06-11 2014-04-22 Evans & Sutherland Computer Corporation Projection method for reducing interpixel gaps on a viewing surface
US8077378B1 (en) 2008-11-12 2011-12-13 Evans & Sutherland Computer Corporation Calibration system and method for light modulation device
US9641826B1 (en) 2011-10-06 2017-05-02 Evans & Sutherland Computer Corporation System and method for displaying distant 3-D stereo on a dome surface
US10530516B2 (en) * 2018-03-20 2020-01-07 Huawei Technologies Co., Ltd. Method and system for controlling channel replacement and spectral occupancy
US10805008B1 (en) 2019-10-04 2020-10-13 Neptune Subsea Ip Limited Optical amplifiers that support gain clamping and optionally power loading

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US4720160A (en) * 1981-12-16 1988-01-19 Polaroid Corporation Optical resonant cavity filters
US4592043A (en) * 1983-07-08 1986-05-27 At&T Bell Laboratories Wavelength division multiplexing optical communications systems
US4635263A (en) * 1983-07-29 1987-01-06 At&T Bell Laboratories Soliton laser
ATE67319T1 (en) * 1984-10-01 1991-09-15 Polaroid Corp AMPLIFIER FOR OPTICAL WAVE GUIDE AND LASER.
GB8511690D0 (en) * 1985-05-09 1985-06-19 British Telecomm Generating coherent radiation
US4778238A (en) * 1985-08-01 1988-10-18 Hicks John W Optical communications systems and process for signal amplification using stimulated brillouin scattering (SBS) and laser utilized in the system
US4712075A (en) * 1985-11-27 1987-12-08 Polaroid Corporation Optical amplifier
US4835778A (en) * 1987-09-30 1989-05-30 Spectra-Physics, Inc. Subpicosecond fiber laser
GB2230912B (en) * 1989-04-22 1993-10-20 Stc Plc Optical amplifier gain control
US5005175A (en) * 1989-11-27 1991-04-02 At&T Bell Laboratories Erbium-doped fiber amplifier

Also Published As

Publication number Publication date
EP0497491A2 (en) 1992-08-05
EP0497491A3 (en) 1993-07-14
US5088095A (en) 1992-02-11
CA2056642C (en) 1994-07-26
EP0497491B1 (en) 1995-09-06
CA2056642A1 (en) 1992-08-01
JPH04318526A (en) 1992-11-10
JPH07117670B2 (en) 1995-12-18
DE69204483T2 (en) 1996-02-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition